@techreport{repORt:2019-56,
	author = {F.J.L. Willamowski and A.M. Tillmann},
	title = {Minimizing Airplane Boarding Time},
	institution = {Lehrstuhl f\"{u}r Operations Research, RWTH Aachen University},
	year = {2019},
	type = {repORt},
	number = {2019--56},
	month = {Nov},
	url = {https://or.rwth-aachen.de/files/research/repORt/2019_Minimizing_Airplane_Boarding_Time_Willamowski_Tillmann.pdf}
}